圆钢管自密实混凝土梁的抗弯承载力研究  

Research on bending capacity of self-compacting concrete filled circle steel tubular beam

作　　者：高金东[1] 刘清[1] 何原野[1] 王克新[1] 

机构地区：[1]新疆大学建筑工程学院,新疆乌鲁木齐830047

出　　处：《混凝土》2014年第5期35-37,40,共4页Concrete

基　　金：国家自然科学基金资助项目(51368057);新疆维吾尔自治区高等学校科研计划重点项目(XJEDU2010I10)

摘　　要：对圆钢管自密实混凝土梁和空钢管进行抗弯承载力对比试验研究,自密实混凝土采用乌鲁木齐地区原材料配制,并将圆钢管自密实混凝土梁的试验值与理论计算值进行比较,利用有限元方法对其荷载-挠度曲线和破坏形式进行模拟分析。结果表明:与空钢管相比圆钢管自密实混凝土梁具有较好的承载能力和变形能力;理论计算值与试验值相比偏于安全;利用有限元进行模拟分析的方法可行,其模拟分析结果与试验结果吻合良好。The contrastive experiments were conducted to investigate the bending capacity of circle steel tubes and self-compacting concrete filled circle steel tubular beams, whose concrete was prepared with the raw materials in Urumqi area, and whose experimental results were compared with theoretical calculation.Besides, the load versus deformation curves and the deformed models of was analyzed by the finite element analysis modeling.The results shows that self-compacting concrete filled circle steel tubular beams have fine deformation ability and bending bearing capacity compared with circle steel tubes,the theoretical value was smaller than experimental values, and the calculated results of finite element analysis which is effective agree well with the experiment＇s.

关 键 词：自密实混凝土 圆钢管混凝土 抗弯承载力 理论计算 有限元分析 

分 类 号：TU528.53[建筑科学—建筑技术科学]